Provided is a vehicle wheel bearing device that suppresses shaking of a vehicle wheel mounting flange, which is caused by bolt tightening, by defining dimensional relationships of the various components of the vehicle wheel mounting flange. A vehicle wheel mounting flange (3b) of a vehicle wheel bearing device (1) includes: a plurality of screw holes (31) into which wheel bolts that fix a wheel and a brake rotor are screwed; and a rib (35) provided on an inner side circumferential edge of the screw holes (31). When A represents a nominal diameter of the screw hole (31), B represents a width direction dimension of the rib (35) in a cross-section that passes through the center of the screw hole (31) and that is tangent to the pitch circle of the screw hole (31), and C represents a thickness direction dimension of the vehicle wheel mounting flange (3b) that passes through the rib (35), B/A ≥ 1.7 and C/A ≥ 0.8 are satisfied.


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    Title :

    VEHICLE WHEEL BEARING DEVICE


    Additional title:

    LAGERVORRICHTUNG FÜR FAHRZEUGRAD
    DISPOSITIF DE ROULEMENT DE ROUE DE VÉHICULE


    Contributors:

    Publication date :

    2024-10-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16C SHAFTS , Wellen / B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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